From 81d36e853d1a208764d904ae927c333b304fa1cb Mon Sep 17 00:00:00 2001 From: ubansal Date: Wed, 29 Jul 2020 19:22:55 +0530 Subject: [Test] Test self-heal of 50k files Steps: - Create an volume and mount it - Bring bricks offline - Write 50k files - Bring bricks online - Monitor heal completion - Check for split-brain Change-Id: I40739effdfa1c1068fa0628467154b9a667161a3 Signed-off-by: ubansal --- .../functional/arbiter/test_self_heal_50k_files.py | 140 +++++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 tests/functional/arbiter/test_self_heal_50k_files.py (limited to 'tests/functional/arbiter/test_self_heal_50k_files.py') diff --git a/tests/functional/arbiter/test_self_heal_50k_files.py b/tests/functional/arbiter/test_self_heal_50k_files.py new file mode 100644 index 000000000..887959fa0 --- /dev/null +++ b/tests/functional/arbiter/test_self_heal_50k_files.py @@ -0,0 +1,140 @@ +# Copyright (C) 2020 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +from glusto.core import Glusto as g +from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on) +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.volume_libs import ( + verify_all_process_of_volume_are_online, + wait_for_volume_process_to_be_online) +from glustolibs.gluster.brick_libs import (select_bricks_to_bring_offline, + bring_bricks_offline, + bring_bricks_online, + are_bricks_offline) +from glustolibs.gluster.heal_libs import (monitor_heal_completion, + is_volume_in_split_brain) +from glustolibs.io.utils import validate_io_procs + + +@runs_on([['arbiter', 'distributed-arbiter'], ['glusterfs']]) +class TestSelfHeal50kFiles(GlusterBaseClass): + """ + Description: + Arbiter self heal of 50k files + """ + def setUp(self): + # Calling GlusterBaseClass + self.get_super_method(self, 'setUp')() + + # Setup Volume and Mount Volume + g.log.info("Starting to Setup Volume and Mount Volume") + ret = self.setup_volume_and_mount_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to Setup_Volume and Mount_Volume") + g.log.info("Successful in Setup Volume and Mount Volume") + + def tearDown(self): + """ + Cleanup and umount volume + """ + + # Cleanup and umount volume + g.log.info("Starting to Unmount Volume and Cleanup Volume") + ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to umount the vol & cleanup Volume") + g.log.info("Successful in umounting the volume and Cleanup") + + # Calling GlusterBaseClass teardown + self.get_super_method(self, 'tearDown')() + + def test_self_heal_50k_files(self): + """ + Description: + - Select bricks to bring offline + - Bring brick offline + - Create 50k files + - Validate IO + - Bring bricks online + - Monitor heal + - Check for split-brain + - Validate IO + """ + # pylint: disable=too-many-statements,too-many-locals + # Select bricks to bring offline + bricks_to_bring_offline_dict = select_bricks_to_bring_offline( + self.mnode, self.volname) + bricks_to_bring_offline = bricks_to_bring_offline_dict['volume_bricks'] + + # Bring brick offline + ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s offline' % + bricks_to_bring_offline) + self.assertIsNotNone(bricks_to_bring_offline, "List is empty") + + ret = are_bricks_offline(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Bricks %s are not offline' + % bricks_to_bring_offline) + g.log.info('Bringing bricks %s offline is successful', + bricks_to_bring_offline) + + # Create 50k files + command = ("cd %s ; " + "for i in `seq 1 50000` ; " + "do dd if=/dev/urandom of=test.$i " + "bs=100k count=1 ; " + "done ;" + % self.mounts[0].mountpoint) + proc = g.run_async(self.mounts[0].client_system, command, + user=self.mounts[0].user) + + # Validate IO + self.assertTrue( + validate_io_procs([proc], self.mounts[0]), + "IO failed on some of the clients" + ) + + # Bring brick online + ret = bring_bricks_online(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s online' % + bricks_to_bring_offline) + g.log.info('Bringing bricks %s online is successful', + bricks_to_bring_offline) + + # Wait for volume processes to be online + ret = wait_for_volume_process_to_be_online(self.mnode, self.volname) + self.assertTrue(ret, ("Failed to wait for volume %s processes to " + "be online", self.volname)) + g.log.info("Successful in waiting for volume %s processes to be " + "online", self.volname) + + # Verify volume's all process are online + ret = verify_all_process_of_volume_are_online(self.mnode, self.volname) + self.assertTrue(ret, ("Volume %s : All process are not online" + % self.volname)) + g.log.info("Volume %s : All process are online", self.volname) + + # Monitor heal completion + ret = monitor_heal_completion(self.mnode, self.volname, + timeout_period=3000) + self.assertTrue(ret, 'Heal has not yet completed') + + # Check for split-brain + ret = is_volume_in_split_brain(self.mnode, self.volname) + self.assertFalse(ret, 'Volume is in split-brain state') + g.log.info('Volume is not in split-brain state') -- cgit